Volume 2, Number 3 (Salmand, Iranian Journal of Ageing 2007)                   Salmand 2007, 2(3): 358-364 | Back to browse issues page


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Jafari Z, Malayeri S, Rashedi P. Effects of Age on the Auditory System and Process of Presbycusis in the Audiology Centers of Tehran. Salmand. 2007; 2 (3) :358-364
URL: http://salmandj.uswr.ac.ir/article-1-48-en.html

1- PhD Iranian Research Centre on Ageing, University of Social Welfare and Rehabilitation, Tehran, Iran.
Abstract:   (7394 Views)

Objectives: Hearing loss is a major public health problem and has higher prevalence in elderly persons. Present study was conducted with the aim of characterizing age-related changes on audiometric thresholds and word discrimination ability of people with age range of 30 to 100 years.

Methods & Materials: Hundred ninty persons (male 53.68% and female 46.32%) in seven aged decades were studied from May 2005 to Oct 2007 in Tehran. Individuals who referred for auditory evaluation had concern regarding presence of a kind of hearing problem. Pure tone audiometry, word discrimination score and immittance audiometry were performed for those people who has no previous history of auditory impairment and/or experiencing hearing hazardous agents.

Results: There was a significant reverse correlation between recording of acoustic reflexes with both age and hearing loss average. Loss of hearing sensitivity among seven aged decades was significant statistically. Hearing loss showed more decrement in men than women in all audiometric frequencies, and the difference between them was significant in higher frequencies. Decrease of word discrimination score with age growth was significant, and with 12.63% permanent tinnitus, 6.84% vertigo/dizziness and 4.21% history of hearing aid usage were reported in all individuals.

Conclusion: Hearing sensitivity declines gradually and progressively with aging. Effects of hearing loss and some of it's associated disorders specially tinnitus and vertigo/ dizziness on degree of communication and quality of life in such individuals and higher prevalence in aged people reveals the necessity of scientific and executive programming for identification and treatment of auditory problems in such population.

Full-Text [PDF 252 kb]   (1782 Downloads)    
Type of Study: Research | Subject: General
Received: 2007/06/01 | Accepted: 2007/08/01 | Published: 2007/10/01

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